The effect of surface topological complexity on the magnetic property of La0.67C

TheeffectofsurfacetopologicalcomplexityonthemagneticpropertyofLa0.67Ca0.33CoO3，LIUHao，LIQi，PerovskitedopedcobaltiteLa0.67Ca0.33CoO3particleswithcracksonboundarieswerepreparedusingsol-gelmethodandandtheeffectofcracksonmagnetizationwasaslostudied.Th